mm/readahead.c:do_readhead(): don't check for ->readpage

The callee force_page_cache_readahead() already does this and unlike
do_readahead(), force_page_cache_readahead() remembers to check for
->readpages() as well.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2013-11-12 15:07:09 -08:00 committed by Linus Torvalds
parent 41ecc34598
commit 63d0f0a3c7

View file

@ -569,7 +569,7 @@ static ssize_t
do_readahead(struct address_space *mapping, struct file *filp,
pgoff_t index, unsigned long nr)
{
if (!mapping || !mapping->a_ops || !mapping->a_ops->readpage)
if (!mapping || !mapping->a_ops)
return -EINVAL;
force_page_cache_readahead(mapping, filp, index, nr);